CM20 3RB maps, stats, and open data
CM20 3RB is located in the Netteswell electoral ward, within the local authority district of Harlow and the English Parliamentary constituency of Harlow. The Sub Integrated Care Board (ICB) Location is NHS Hertfordshire and West Essex ICB - 07H and the police force is Essex. This postcode has been in use since January 1980.
CM20 3RB maps


Source: OS Open Zoomstack (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026
Source: Open Postcode GeoLicence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026; Contains Royal Mail data © Royal Mail copyright and database right 2026; Source: Office for National Statistics licensed under the Open Government Licence v.3.0
CM20 3RB geodata
| Easting | 545032 |
| Northing | 209959 |
| Latitude | 51.769526 |
| Longitude | 0.100482 |
Where is CM20 3RB?
| Country | England |
| Postcode District | CM20 |
CM20 3RB Elevation
Elevation or altitude of CM20 3RB as distance above sea level:
| Metres | Feet |
|---|
| Elevation | 70m | 230ft |
|---|
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Netteswell |
|---|
| Constituency | Harlow |
|---|
Transport
Nearest bus stops to CM20 3RB
| College Grounds (Velizy Avenue) | Harlow Town Centre | 195m |
| Leisure Centre (Second Avenue) | Harlow | 279m |
| Leisure Centre (Second Avenue) | Harlow | 281m |
| Garden Tiger (Maddox Road) | Harlow | 334m |
| Fishers Hatch (Maddox Road) | Harlow | 336m |
Nearest railway stations to CM20 3RB
| Harlow Town Station | 1.3km |
| Harlow Mill Station | 3.2km |
| Roydon Station | 4.5km |
Deprivation
66.7% of English postcodes are less deprived than
CM20 3RB:
Food Standards Agency
Three nearest food hygiene ratings to CM20 3RB (metres)
Passmores Academy At The Downs Primary School & Nursery
BMAT STEM Academy Catering
Harlow College
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM20 3RB
| | Last Collection | |
|---|
| Location | Mon-Fri | Sat | Distance |
|---|
| Tanys Dell | 17:15 | 12:00 | 991m |
| River Mill | 17:15 | 12:00 | 1,088m |
| Pittmans Field | 17:45 | 12:00 | 1,135m |
CM20 3RB ITL and CM20 3RB LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for CM20 3RB:
| ITL 1 Code | Name |
|---|
| TLH | East |
| ITL 2 Code | Name |
|---|
| TLH3 | Essex |
| ITL 3 Code | Name |
|---|
| TLH35 | West Essex |
| LAU 1 Code | Name |
|---|
| E07000073 | Harlow |
CM20 3RB census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for CM20 3RB:
| Code | Name |
|---|
| OA | E00110997 | |
|---|
| LSOA | E01021849 | Harlow 003A |
|---|
| MSOA | E02004546 | Harlow 003 |
|---|
Nearest postcodes to CM20 3RB